{
  "type": "object",
  "properties": {
    "deadline": {
      "type": "string",
      "format": "date-time",
      "description": "The deadline for the contract."
    },
    "payment": {
      "type": "object",
      "$ref": "./ContractPayment.json"
    },
    "procurement": {
      "type": "array",
      "uniqueItems": true,
      "minItems": 1,
      "items": {
        "type": "object",
        "$ref": "./ContractProcurement.json"
      }
    }
  },
  "required": [
    "deadline",
    "payment"
  ]
}